CVE-2023-53124

Summary

In the Linux kernel, the following vulnerability has been resolved:

scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()

Port is allocated by sas_port_alloc_num() and rphy is allocated by either sas_end_device_alloc() or sas_expander_alloc(), all of which may return NULL. So we need to check the rphy to avoid possible NULL pointer access.

If sas_rphy_add() returned with failure, rphy is set to NULL. We would access the rphy in the following lines which would also result NULL pointer access.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd60000cb1195a464080b0efb4949daf7594e0020 < 090305c36185c0547e4441d4c08f1cf096b32134affected
LinuxLinuxce1a69cc85006b494353911b35171da195d79e25 < 6f0c2f70d9929208d8427ec72c3ed91e2251e289affected
LinuxLinux6a92129c8f999ff5b122c100ce7f625eb3e98c4b < 9937f784a608944107dcc2ba9a9c3333f8330b9eaffected
LinuxLinuxd17bca3ddfe507874cb826d32721552da12e741f < b5e5bbb3fa5f8412e96c5eda7f4a4af6241d6bd3affected
LinuxLinux78316e9dfc24906dd474630928ed1d3c562b568e < a26c775ccc4cfe46f9b718b51bd24313053c7e0baffected
LinuxLinux78316e9dfc24906dd474630928ed1d3c562b568e < d3c57724f1569311e4b81e98fad0931028b9bdcdaffected
LinuxLinux6f6768e2fc8638fabdd8802c2ef693d7aef01db1affected
LinuxLinux5.4.229 < 5.4.238affected
LinuxLinux5.10.163 < 5.10.176affected
LinuxLinux5.15.86 < 5.15.104affected
LinuxLinux6.1.2 < 6.1.21affected
LinuxLinux6.0.16 < 6.1affected
LinuxLinux6.2affected
LinuxLinux0 < 6.2unaffected
LinuxLinux5.4.238 <= 5.4.*unaffected
LinuxLinux5.10.176 <= 5.10.*unaffected
LinuxLinux5.15.104 <= 5.15.*unaffected
LinuxLinux6.1.21 <= 6.1.*unaffected
LinuxLinux6.2.8 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References